Repro for multiple declaration warning

[timotheeguerin]

[warning] prop has multiple declarations with a comment. An arbitrary comment will be used.
[info] The comments for prop are declared at:
        ./src/index.ts:2
        ./src/index.ts:2
[info] The comments for prop are declared at:
        ./src/index.ts:2
        ./src/index.ts:2
        ./src/index.ts:2
        ./src/index.ts:2
error Command failed with exit code 3.

[Gerrit0]

Closing as TypeStrong/typedoc#2437 is resolved